Like its energy drink brethren Monster Energy, there's a chance 5-Hour Energy might kill you. According to the New York Times, the FDA is investigating 13 deaths over the past four years that might be linked to consumption of the tiny, highly-caffeinated energy drink.

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5-Hour Energy was also mentioned in roughly 90 incident reports that "involved serious or life-threatening injuries like heart attacks, convulsions and, in one case, a spontaneous abortion," according to FDA records examined by the Times.

Living Essentials, the distributor of 5-Hour Energy, released a statement that said it was "unaware of any deaths proven to be caused by the consumption of 5-Hour Energy." It also noted that "submitting a serious adverse even report to the FDA, according to the agency itself, is not construed by FDA as an admission that the dietary supplement was involved, caused or contributed to the adverse even being reported." In other words, "Nope, it wasn't us."

According to ConsumerLab.com, each 2-ounce bottle of 5-Hour Energy contains 207 mg of caffeine, twice as much as your average cup of coffee and almost three times as much caffeine as a small can of Red Bull.